The geographical area of Chhathar Rural Municipality is 133.93 sq km. It has a population of 16715 according to census 2011. This rural municipality has six wards. It was formed by merging five former VDCs. The headquarter of this municipality is situated in Hamarjung.

Chhathar in Limbu means ‘cease of war’ the place where the Khewahang ruled in peace called Chhathar, ultimately gave recognition of the place by this name.

The agricultural production, livestock farming are the main activities people are involved in. the ethnic composition of the people living here is mixed.

The Chairperson and Vice chairperson this rural municipality are Santabir Limbu and Tara Kharel Dhakal respectively.